Finding the Fourth Proportional to 25,939,038.24, 38,907,936.84 and 8,431,573.32
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Solution
The fourth proportional to 25,939,038.24, 38,907,936.84 and 8,431,573.32 is: 12,647,158.28
Step by Step Solution
- Step 1: Write the proportion equation
25,939,038.24 : 38,907,936.84 = 8,431,573.32 : x - Step 2: Convert to fraction form
25,939,038.24/38,907,936.84 = 8,431,573.32/x - Step 3: Cross multiply
25,939,038.24x = 38,907,936.84 × 8,431,573.32 - Step 4: Simplify right side
25,939,038.24x = 328,055,122,196,389.12 - Step 5: Solve for x
x = 328,055,122,196,389.12/25,939,038.24 - Step 6: Final answer
x = 12,647,158.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.